What is 100% protection of generator? Why 95% protection is used not 100%?

9 Answers   NTPC,

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what is tertiary winding in transformer?What is its purpose?

18 Answers   Bhel,

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What is the difference between lubricating oil and insulating Oil?

4 Answers   Orchid,

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Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

0 Answers  

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What is the criteria in selecting Air circuit breaker(ACB) & Moulded case circuit breaker(MCCB) for a particular range?

3 Answers   DLF,

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How does the phase sequence controller works, how it identifies the phases? confirm working principle

0 Answers  

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What is the meaning of electricity? How it is being produced? Can we store the electricity? When we produce electricity what is the capacity of voltage current we are getting? If we need 440 volts how to get it? In case, if we want lower than 440 volts how to change it? Please answer?

1 Answers  

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What is meant by field loss in a DC motor?

1 Answers  

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how do using transformer 30 deg lag or 30 deg lead

1 Answers  

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Mention how NPN and PNP transistor works?

0 Answers  

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what is mean by xlpe cables?

3 Answers  

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which has more heat effect(dc or ac)

4 Answers   CCEL, TATA,

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